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import scipy.stats as stats
import math
# Specify the number of occurences (x), the sample size (n), and the proportion claimed in the null-hypothesis (p)
x = 10
n = 100
p = 0.5
# Calculate the sample proportion
p_hat = x/n
# Calculate the test statistic
test_stat = (p_hat-p)/(math.sqrt((p*(1-p))/(n)))
# Output the p-value of the test statistic (two-tailed test)
print(2*stats.norm.cdf(test_stat))
1.244192114854348e-15